[INFO] updating cached repository koba-e964/mining-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/koba-e964/mining-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/koba-e964/mining-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/koba-e964/mining-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/koba-e964/mining-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/koba-e964/mining-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/koba-e964/mining-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/koba-e964/mining-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bbd39ba2fcc26887b3b0960336d72e9926cc680a
[INFO] sha for GitHub repo koba-e964/mining-rust: bbd39ba2fcc26887b3b0960336d72e9926cc680a
[INFO] validating manifest of koba-e964/mining-rust on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of koba-e964/mining-rust on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing koba-e964/mining-rust
[INFO] finished frobbing koba-e964/mining-rust
[INFO] frobbed toml for koba-e964/mining-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/koba-e964/mining-rust/Cargo.toml
[INFO] started frobbing koba-e964/mining-rust
[INFO] finished frobbing koba-e964/mining-rust
[INFO] frobbed toml for koba-e964/mining-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/koba-e964/mining-rust/Cargo.toml
[INFO] crate koba-e964/mining-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing koba-e964/mining-rust against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/koba-e964/mining-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] c45344e07d0ebc548ca4bbb85e495b38138aae28e01e73e3d61f161f926f2dfe
[INFO] running `"docker" "start" "-a" "c45344e07d0ebc548ca4bbb85e495b38138aae28e01e73e3d61f161f926f2dfe"`
[INFO] [stderr]    Compiling libc v0.2.35
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling rand v0.3.19
[INFO] [stderr]    Compiling rand v0.4.1
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling mining-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.17s
[INFO] running `"docker" "inspect" "c45344e07d0ebc548ca4bbb85e495b38138aae28e01e73e3d61f161f926f2dfe"`
[INFO] running `"docker" "rm" "-f" "c45344e07d0ebc548ca4bbb85e495b38138aae28e01e73e3d61f161f926f2dfe"`
[INFO] [stdout] c45344e07d0ebc548ca4bbb85e495b38138aae28e01e73e3d61f161f926f2dfe
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/koba-e964/mining-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] a264b9c07798de0c4a102cdda8e3cdec6cbc0a38b35aff59af0ab0f25fa1b7a0
[INFO] running `"docker" "start" "-a" "a264b9c07798de0c4a102cdda8e3cdec6cbc0a38b35aff59af0ab0f25fa1b7a0"`
[INFO] [stderr]    Compiling mining-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "a264b9c07798de0c4a102cdda8e3cdec6cbc0a38b35aff59af0ab0f25fa1b7a0"`
[INFO] running `"docker" "rm" "-f" "a264b9c07798de0c4a102cdda8e3cdec6cbc0a38b35aff59af0ab0f25fa1b7a0"`
[INFO] [stdout] a264b9c07798de0c4a102cdda8e3cdec6cbc0a38b35aff59af0ab0f25fa1b7a0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/koba-e964/mining-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 83a4882e4e56112845363283ff2975333747d9ca54958c5b3d81d282eee8f8cd
[INFO] running `"docker" "start" "-a" "83a4882e4e56112845363283ff2975333747d9ca54958c5b3d81d282eee8f8cd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mining_rust-2476d6421e8c9bdd
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "83a4882e4e56112845363283ff2975333747d9ca54958c5b3d81d282eee8f8cd"`
[INFO] running `"docker" "rm" "-f" "83a4882e4e56112845363283ff2975333747d9ca54958c5b3d81d282eee8f8cd"`
[INFO] [stdout] 83a4882e4e56112845363283ff2975333747d9ca54958c5b3d81d282eee8f8cd